Select ‘Tewin Cowper CE School’; If you select the option for comparing the results to other schools, you will see that Tewin Cowper is ranked an impressive 11th out of 125 similar schools across the UK. Our maths results were particularly outstanding as they were well above the national average. It has also been noted at the end of the table that there was no better performing school in the group, within a 75 mile radius.